From 6ca8fa8c7e7c8f552e7deea6a12f61e6b425c5f1 Mon Sep 17 00:00:00 2001
From: zhanglanqing <1174514176@qq.com>
Date: Sun, 22 May 2016 08:50:15 +0800
Subject: [PATCH] bug fix

---
 TinySTL/Detail/CircularBuffer.impl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TinySTL/Detail/CircularBuffer.impl.h b/TinySTL/Detail/CircularBuffer.impl.h
index 9ba1415..83d3cfb 100644
--- a/TinySTL/Detail/CircularBuffer.impl.h
+++ b/TinySTL/Detail/CircularBuffer.impl.h
@@ -55,7 +55,7 @@ namespace TinySTL{
 		cb_iter<T, N, Alloc> operator +(const cb_iter<T, N, Alloc>& cit, std::ptrdiff_t i){
 			int real_i = i % (std::ptrdiff_t)N;//assume i >= 0
 			if (real_i < 0)
-				real_i += 5;
+				real_i += N;
 			cb_iter<T, N, Alloc> res = cit;
 			res.setIndex_(res.index_ + real_i);
 			res.setPtr_(res.ptr_ + res.index_);